<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Vue 测试实例 - 菜鸟教程(runoob.com)</title>
<script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
</head>
<body>
<div id="app">
    <!-- <div style="color: green; font-size: 30px;"> -->
    <div v-bind:style="{ color: activeColor, fontSize: fontSize + 'px' }">菜鸟教程1</div>
    <!-- <div style="color: green; font-size: 30px;"> -->
    <div v-bind:style="styleObject">菜鸟教程2</div>
    <!-- <div style="color: green; font-size: 30px; font-weight:bold"> -->
    <div v-bind:style="[baseStyles, overridingStyles]">菜鸟教程3</div>
</div>

<script>
new Vue({
  el: '#app',
  data: {
    activeColor: 'green',
	fontSize: 30,

    styleObject: {
      color: 'green',
      fontSize: '30px'
    },

    baseStyles: {
      color: 'green',
      fontSize: '30px'
    },
	overridingStyles: {
      'font-weight': 'bold'
    }
  }
})
</script>
</body>
</html>